
Pine bark adelgids covered in white, waxy fluff on a white pine tree. / Photo Credit: Wisconsin DNR
Michael Hillstrom, DNR Forest Health Specialist, Fitchburg
Michael.Hillstrom@wisconsin.gov
Pine bark adelgids are tiny, aphid-like insects that suck the sap of white pines. The bugs protect themselves from predators with a fluffy, white wax covering. Pine bark adelgids generate concern when thousands of them gather on white pines to feed, making the pine bark appear covered with sap.

Congratulations to Kim G. Sebastian as she begins her retirement this month. Kim has been with the DNR as Urban Forestry Coordinator since 1990. Read on to hear Kim reflect on her experience with the DNR and share some parting words.
Tree inventories are foundational elements of sustainable urban forestry programs. You need to know what you have to best manage your trees. Because of the importance of these datasets, the Wisconsin DNR Urban Forestry program often funds inventories through their annual grants (
The Municipal Forestry Institute is an intensive high-level professional growth program of the 